Health Information

Gamma-Glutamyl Transferase (GGT)

Gamma-glutamyl transferase (GGT) is a protein (enzyme) that
speeds up chemical reactions in the body. It is found mainly in the liver and
the bile ducts.

A blood test to measure GGT levels is done to
check for liver damage, especially damage caused by alcohol abuse. A GGT test
is usually done along with other tests (such as alanine aminotransferase, or
ALT) because it can't usually tell what disease is causing the liver
damage.

Gamma-glutamyl transferase is also called gamma-glutamyl
transpeptidase (GGTP).

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